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CTS Certification For more than 30 years, InfoComm has administered the Certified Technology Specialist (CTS) program, which is recognized worldwide as the leading AV professional credential. See more here

Our best selling wireless.

Shure QLXD2/SM58 is a wireless system with a frequency response of 20hz-20000hz. Included in the QLXD2/SM58 is a Lithium Ion battery in the microphone for long-lasting performance. In addition, it has 120dB dynamic range, and a frequency response of 20hz-20,000hz to capture all the details of any performance.